9514 1404 393
Answer:
1 -√2
Step-by-step explanation:

tan(7π/8) = 1 -√2
Answer:
I believe it would be true
Answer:
14
Step-by-step explanation:
Answer:
x = 7
Step-by-step explanation:
Distribute the 2 on the right and the -1 on the left: 13 - 2x - 2 = 2x + 4 + 3x
Combine like terms on each side of the equation: 11 - 2x = 5x + 4
Add 2x to both sides, and subtract 4 from each side: 7 = 7x
Divide both sides by 7: x = 7
I just gave you the answers